security(rbac): enforce tenant workspace lock on role creation and update in role.service.js

src/features/authentication/access/role.service.js

@@ -33,6 +33,15 @@ export class RoleService {
 
   async create(data, context = {}) {
     const { role_name, description, permissions, tenant_id } = data;
+    const isPlatformUser = context.userType === 'platform' || context.roles?.some(r => r.role_code === 'SUPER_ADMIN');
+    
+    // Non-platform users are strictly locked to their own tenant workspace
+    const finalTenantId = isPlatformUser ? (tenant_id || null) : (context.tenantId || null);
+
+    if (!isPlatformUser && !context.tenantId) {
+      throw new ApiError(403, 'Forbidden: Tenant workspace context required to create roles');
+    }
+
     // Generate role code from name: Admin Editor -> ADMIN_EDITOR
     const role_code = role_name.toUpperCase().replace(/[^A-Z0-9]/g, '_');
     
@@ -40,14 +49,28 @@ export class RoleService {
       role_name,
       role_code,
       description,
-      tenant_id: tenant_id || null,
-      role_type: tenant_id ? 'tenant' : 'platform',
+      tenant_id: finalTenantId,
+      role_type: finalTenantId ? 'tenant' : 'platform',
       is_system_role: false,
       status: true
     }, permissions, context);
   }
 
   async update(id, data, context = {}) {
+    const isPlatformUser = context.userType === 'platform' || context.roles?.some(r => r.role_code === 'SUPER_ADMIN');
+    const role = await repository.findById(id, {}, context);
+    if (!role) {
+      throw new ApiError(404, 'Role not found');
+    }
+
+    if (role.is_system_role) {
+      throw new ApiError(403, 'Forbidden: Baseline system roles cannot be modified');
+    }
+
+    if (!isPlatformUser && role.tenant_id !== context.tenantId) {
+      throw new ApiError(403, 'Forbidden: Cannot modify roles outside your tenant workspace');
+    }
+
     const { role_name, description, permissions, status } = data;
     const roleData = {};
     if (role_name) {
@@ -65,6 +88,7 @@ export class RoleService {
   }
 
   async delete(id, context = {}) {
+    const isPlatformUser = context.userType === 'platform' || context.roles?.some(r => r.role_code === 'SUPER_ADMIN');
     const role = await repository.findById(id, {}, context);
     if (!role) {
       throw new ApiError(404, 'Role not found');
@@ -74,6 +98,10 @@ export class RoleService {
       throw new ApiError(403, 'Forbidden: Super Admin and System roles cannot be deleted');
     }
 
+    if (!isPlatformUser && role.tenant_id !== context.tenantId) {
+      throw new ApiError(403, 'Forbidden: Cannot delete roles outside your tenant workspace');
+    }
+
     const deleted = await repository.delete(id, context);
     if (!deleted) {
       throw new ApiError(404, 'Role not found');